1. Allen Rhodes's Avatar
    I can't remember what keys need pressed on my 950XL, but does the x3 have a way to enter service mode so i can uncheck the bands i don't need on AT&T?
    07-23-2017 09:35 PM
  2. Indistinguishable's Avatar
    I can't remember what keys need pressed on my 950XL, but does the x3 have a way to enter service mode so i can uncheck the bands i don't need on AT&T?
    I don't have an answer for you. But what are the benefits of removing non-AT&T bands?
    07-23-2017 09:47 PM
  3. Allen Rhodes's Avatar
    I don't see the need to search for bands that aren't needed. Plus i have a theory that the lte is causing me phone to freeze and freak out as per my prior posts. I want to see what bands are selected and only select the band for att then set the phone speed to 4g again to see if it behaves.
    07-23-2017 10:42 PM
  4. xandros9's Avatar
    This is actually the first time I've ever heard of someone speak of "turning off bands" as a troubleshooting step.

    If LTE is indeed a problem I would see if options or failing that, Field Test, let's you turn it off.

    And then I'd wonder what kind of OS freezes when connected to LTE.
    Guytronic and libra89 like this.
    07-23-2017 11:44 PM
  5. nate0's Avatar
    ##3282# is the field test mode for Lumias. It is not installed/available on the X3. You cannot disable any bands as far as I can tell on this device.
    07-24-2017 12:37 AM
  6. nate0's Avatar
    I don't see the need to search for bands that aren't needed. Plus i have a theory that the lte is causing me phone to freeze and freak out as per my prior posts. I want to see what bands are selected and only select the band for att then set the phone speed to 4g again to see if it behaves.
    Try changing your sim card out? Just curious...and sorry if it is an old question.
    aximtreo likes this.
    07-24-2017 12:39 AM
  7. Allen Rhodes's Avatar
    Nope. Wife's phone does the same thing.
    07-25-2017 09:08 PM
  8. nate0's Avatar
    Nope. Wife's phone does the same thing.
    What do you mean? Wifes sim card in your phone? Or your sim card in your wifes phone?
    07-25-2017 09:56 PM
  9. Allen Rhodes's Avatar
    Meaning both our x3's have had this issue and making the top connection speed be 3G seems to have solved it. So I doubt we both have bad sims.
    nate0 likes this.
    07-25-2017 11:20 PM
  10. nate0's Avatar
    Meaning both our x3's have had this issue and making the top connection speed be 3G seems to have solved it. So I doubt we both have bad sims.
    It does not hurt to try. I had issues where I could not lock LTE bands. Found out it was my sim card. As soon as I swapped it out it did not have to stay on 4g/3g.

    Maybe try yours first...

    The good part is that AT&T can mail you a new one. You wait till it comes. Then you activate it online and boom it is switched. Don't even need to go into the store if you do not want to.
    07-26-2017 01:36 AM
  11. Allen Rhodes's Avatar
    I'll give that a shot i guess. Can't hurt at least. I'm currently running with Cellular Data off(on wifi) and the phone is rock solid. Every time i change something with the radio it steadies. I can't help but think there's a correlation there.
    nate0 likes this.
    07-26-2017 09:53 PM
  12. PerfectReign's Avatar
    Have you looked for feedback on that? Wonder if others are seeing same. My x3 freezes occasionally but I've been using my 950xl more lately
    07-26-2017 11:41 PM
  13. Allen Rhodes's Avatar
    When mine or my wife's starts doing it, it's not occasional. It's within seconds or a couple minutes after a forced restart before it locks up again. And occasionally between WDRT resets, it will even slowly start removing my text messages and stops syncing new ones. Very tiresome.
    07-27-2017 05:18 PM
  14. nate0's Avatar
    When mine or my wife's starts doing it, it's not occasional. It's within seconds or a couple minutes after a forced restart before it locks up again. And occasionally between WDRT resets, it will even slowly start removing my text messages and stops syncing new ones. Very tiresome.
    That is really annoying.
    07-27-2017 09:40 PM

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